Shimano
The Shimano Rear Derailleur XTR RD-M9120-SGS 12 Speed is designed for road use with Shimano XTR compatibility. It features a long cage, 10-45T cassette range, and 12-speed drivetrain for smooth shifting and chain stability.
Checked Jul 4, 2026 14:33
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Product details
The Shimano Rear Derailleur XTR RD-M9120-SGS 12 Speed is a high-performance component designed for road cycling. It is compatible with Shimano XTR drivetrains and features a long cage design, making it suitable for a wide range of riding styles. With a cassette range of 10-45T and 12-speed capability, this derailleur provides smooth shifting and optimal chain stability. The design includes a bumper at the rear derailleur pulley cage and optimized rear derailleur tension at low gear positions to prevent high chain tension. This results in a silent drivetrain and low profile design.
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